CN2520545Y - Flying saucer type loxocosm - Google Patents

Abstract

The utility model discloses a flying-saucer type loxocosm, which comprise a chassis. A central shaft arranged in longitudinal direction is fixed on the chassis, and a turn-plate is arranged on the central shaft. A heliometer is fixed on the top end of the central shaft, and a night cover frame and a globe frame are fixed on the turn-plate. An earth night cover is fixed on the night cover frame, and the globe frame is inserted on the turn-plate through the frame shaft. An earth rotation shaft is inserted on the globe frame, and a globe is fixed on the earth rotation shaft. The globe can demonstrate the change of noon sun height, the generation of time difference and the formation of sidereal day and solar day, and directly observe the latitude distribution of noon sun height and season change and the like. The demonstrated effect is clear, and the demonstrated accuracy is high.

Description

The flying disc type loxocosm

Technical field

The utility model relates to a kind of geographical teaching instrument, specifically is a kind of loxocosm.

Background technology

The rotation of the earth and revolution caused variations of length round the clock, the four seasons formations, sunlight point of vertical situation of movement, five spontaneous phenomenons of being with such as division no matter in geographical teaching still is Popular Science Education, all are difficult to language, wall chart, generally teaching aid is told about clear.At present, " loxocosm " of comparative maturity is broadly divided into three classes on the market, i.e. illumination type, double spherical, morning and evening the circle type, though they can reach many demo functions, ubiquity some problems." illumination type loxocosm " utilizes light to come simulated solar irradiation, method with the light radiography shows the operating chronometer phenomenon of the earth, owing to depend on the light radiography, it is unclear to cause terminator to show easily, can not carry out teaching explanation, more can not demonstrate out the variation of solar noon sun height, the formation on lamp and sidereal day and solar day etc., but also to be subjected to the restriction of power supply." circle type loxocosm in morning and evening " demonstrates phenomenon round the clock owing to adopt enclose morning and evening, so can not image clearly demonstrate out light and shade phenomenon round the clock, this instrument is to utilize belt to make gearing simultaneously, and error ratio is bigger, and the teacher uses very inconvenient." double spherical loxocosm " utilizes the spheroid of light and shade round the clock, interior cover One Earth One Family instrument, show the operating chronometer phenomenon of the earth whereby, though without power supply, but owing to utilize outer ball cover terrestrial globe technically, some critical pieces must be enclosed within the ball, thereby limited the amplification of this instrument, the visibility of instrument is affected, and must separate with base educating body again during the demonstration of this instrument, could clearly show, can not correctly demonstrate the variation of solar noon sun height simultaneously, can not demonstrate the formation on sidereal day and solar day, and the time difference and reckoning chronometer phenomenon.

Summary of the invention

The utility model purpose is: a kind of hand propelled loxocosm is provided, this running instrument can be demonstrated variation, the generation of the time difference and the formation on sidereal day and solar day of solar noon sun height, can observe the Latitude Distribution of solar noon sun height, the conversion in season etc., the demonstration effect is clear, demonstrating precision is high visual pattern.

The technical solution of the utility model is: a kind of flying disc type loxocosm, this running instrument comprises base, be fixed with the central shaft of vertical setting on the base, be arranged with rotating disk on the central shaft, the top of central shaft is fixed with solar attachment, is fixed with curtain of night cover stent and globe bracket on the rotating disk, be fixed with earth curtain of night cover on the curtain of night cover stent, globe bracket is plugged on the rotating disk by support shaft, is inserted with earth's axis on the globe bracket, is fixed with terrestrial globe on the earth's axis.

The further technical scheme of the utility model is: a kind of flying disc type loxocosm, this running instrument comprises base, be fixed with the central shaft of vertical setting on the base, be arranged with rotating disk on the central shaft, the top of central shaft is fixed with solar attachment, is fixed with curtain of night cover stent and globe bracket on the rotating disk, be fixed with earth curtain of night cover on the curtain of night cover stent, globe bracket is plugged on the rotating disk by support shaft, is inserted with earth's axis on the globe bracket, is fixed with terrestrial globe on the earth's axis; Be arranged with axle sleeve on the described central shaft, rotating disk is fixed on the axle sleeve, and axle sleeve is connected and fixed with the follower gear that is enclosed within on the central shaft equally, is fixed with motor on the rotating disk, be fixed with driving gear on the output shaft of motor, driving gear and follower gear engagement make dial rotation; Fastened rack sleeve by the nut assembly on the described rotating disk, support shaft just is plugged in the rack sleeve, the lower end of support shaft is fixed with follower gear, the upper end is fixed with globe bracket, also be fixed with synchronous motor on the rotating disk, be fixed with driving gear on the output shaft of synchronous motor, driving gear and follower gear engagement, when making dial rotation, globe bracket and earth's axis remain original direction under the effect of synchronous motor constant, be fixed with transmission gear respectively on the lower end of earth's axis and the rack sleeve simultaneously, be engaged with linkage gear between two transmission gears, during dial rotation, relatively rotating between rack sleeve and the earth's axis makes terrestrial globe produce rotation.

The more detailed technical scheme of the utility model is: a kind of flying disc type loxocosm, this running instrument comprises base, be fixed with the central shaft of vertical setting on the base, be arranged with rotating disk on the central shaft, the top of central shaft is fixed with solar attachment, is fixed with curtain of night cover stent and globe bracket on the rotating disk, be fixed with earth curtain of night cover on the curtain of night cover stent, globe bracket is plugged on the rotating disk by support shaft, is inserted with earth's axis on the globe bracket, is fixed with terrestrial globe on the earth's axis; Be arranged with axle sleeve on the described central shaft, rotating disk is fixed on the axle sleeve, and axle sleeve is connected and fixed with the follower gear that is enclosed within on the central shaft equally, is fixed with motor on the rotating disk, be fixed with driving gear on the output shaft of motor, driving gear and follower gear engagement make dial rotation; Fastened rack sleeve by the nut assembly on the described rotating disk, support shaft just is plugged in the rack sleeve, the lower end of support shaft is fixed with follower gear, the upper end is fixed with globe bracket, also be fixed with synchronous motor on the rotating disk, be fixed with driving gear on the output shaft of synchronous motor, driving gear and follower gear engagement, when making dial rotation, globe bracket and earth's axis remain original direction under the effect of synchronous motor constant, be fixed with transmission gear respectively on the lower end of earth's axis and the rack sleeve simultaneously, be engaged with linkage gear between two transmission gears, during dial rotation, relatively rotating between rack sleeve and the earth's axis makes terrestrial globe produce rotation; Described curtain of night cover stent is fastened on the rack sleeve, and is fixed with horizontal on the earth curtain of night cover and is enclosed within the moment dish of terrestrial globe periphery; The sheathed panel in season that is fixed with on the described central shaft is fixed with the indicator stem that points to the panel in season on the rotating disk; The periphery of the revolution track of described support shaft is provided with the cast panel, and the outer of cast panel is fixed on the base; The outer of described base is covered with the semisphere translucent cover.

The utility model has the advantages that:

1. rotating disk of the present utility model rotates under the effect of motor, driving gear and follower gear, demonstration earth situation about revolving around the sun, and globe bracket and earth's axis to remain original direction under the effect of synchronous motor constant.

2. support shaft of the present utility model is arranged with outward and the fixing rack sleeve of rotating disk, and earth's axis is fixing by globe bracket and support shaft upper end, during dial rotation, produce relative rotation between two transmission gears of fixing on earth's axis and the rack sleeve, make terrestrial globe produce rotation.

The curtain of night cover that is provided with of the utility model, constantly dish, season parts such as panel, indicator stem, can observe the Latitude Distribution of solar noon sun height, the conversion in season etc. visual pattern, demonstrate that effect is clear, demonstrating precision is high.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further described:

Fig. 1 is a structural representation of the present utility model;

Wherein: 1 base; 2 central shafts; 3 rotating disks; 4 solar attachments; 5 curtain of night cover stents; 6 globe brackets; 7 earth curtain of night covers; 8 support shafts; 9 earth's axiss; 10 terrestrial globes; 11 axle sleeves; 12 follower gears; 13 motors; 14 driving gears; 15 nuts; 16 rack sleeves; 17 follower gears; 18 synchronous motors; 19 driving gears; 20 transmission gears; 21 linkage gears; 22 coil constantly; 23 season panel; 24 indicator stems; 25 cast panels; 26 semisphere translucent covers.

Embodiment

Embodiment: as shown in Figure 1, a kind of flying disc type loxocosm, this running instrument comprises base [1], be fixed with the central shaft [2] of vertical setting on the base [1], be arranged with rotating disk [3] on the central shaft [2], the top of central shaft [2] is fixed with solar attachment [4], be fixed with curtain of night cover stent [5] and globe bracket [6] on the rotating disk [3], be fixed with earth curtain of night cover [7] on the curtain of night cover stent [5], globe bracket [6] is plugged on the rotating disk [3] by support shaft [8], be inserted with earth's axis [9] on the globe bracket [6], be fixed with terrestrial globe [10] on the earth's axis [9]; Be arranged with axle sleeve [11] on the described central shaft [2], rotating disk [3] is fixed on the axle sleeve [11], axle sleeve [11] is connected and fixed with the follower gear [12] that is enclosed within on the central shaft [2] equally, be fixed with motor [13] on the rotating disk [3], be fixed with driving gear [14] on the output shaft of motor [13], driving gear [14] rotates rotating disk [3] with follower gear [12] engagement; Described rotating disk [3] is gone up by nut [15] assembly and has been fastened rack sleeve [16], support shaft [8] just is plugged in the rack sleeve [16], the lower end of support shaft [8] is fixed with follower gear [17], the upper end is fixing with globe bracket [6], also be fixed with synchronous motor [18] on the rotating disk [3], be fixed with driving gear [19] on the output shaft of synchronous motor [18], driving gear [19] and follower gear [17] engagement, when rotating disk [3] is rotated, globe bracket [6] and earth's axis [9] remain original direction under the effect of synchronous motor [18] constant, be fixed with transmission gear [20] respectively on the lower end of earth's axis [9] and the rack sleeve [16] simultaneously, be engaged with linkage gear [21] between two transmission gears [20], when rotating disk [3] rotated, relatively rotating between rack sleeve [16] and the earth's axis [9] made terrestrial globe [10] produce rotation; Described curtain of night cover stent [5] is fastened on the rack sleeve [16], and is fixed with horizontal on the earth curtain of night cover [7] and is enclosed within the peripheral moment dish [22] of terrestrial globe [10]; Described central shaft [2] is gone up the sheathed panel in season [23] that is fixed with, and is fixed with the indicator stem [24] that points to panel in season [22] on the rotating disk [3]; The periphery of the revolution track of described support shaft [8] is provided with cast panel [25], and the outer of cast panel [25] is fixed on the base [1]; The outer of described base [1] is covered with semisphere translucent cover [26].

Rotating disk of the present utility model [3] rotates under the effect of motor [13], driving gear [14] and follower gear [17], demonstration earth situation about revolving around the sun, and globe bracket [6] and earth's axis [9] to remain original direction under the effect of synchronous motor [18] constant; Support shaft of the present utility model [8] is outer to be arranged with and the fixing rack sleeve [16] of rotating disk [3], and earth's axis [9] is fixing with support shaft [8] upper end by globe bracket [6], when rotating disk [3] rotates, earth's axis [9] and rack sleeve [16] are gone up between fixing two transmission gears [20] and are produced relative rotation, and make terrestrial globe [10] produce rotation; The curtain of night cover [7] that the utility model is provided with, moment dish [22], panel in season [23], indicator stem parts such as [24] can be observed the Latitude Distribution of solar noon sun height, the conversion in season etc. visual pattern, and the demonstration effect is clear, demonstrating precision is high.

Claims (7)

1. flying disc type loxocosm, it is characterized in that: this running instrument comprises base [1], be fixed with the central shaft [2] of vertical setting on the base [1], be arranged with rotating disk [3] on the central shaft [2], the top of central shaft [2] is fixed with solar attachment [4], be fixed with curtain of night cover stent [5] and globe bracket [6] on the rotating disk [3], be fixed with earth curtain of night cover [7] on the curtain of night cover stent [5], globe bracket [6] is plugged on the rotating disk [3] by support shaft [8], be inserted with earth's axis [9] on the globe bracket [6], be fixed with terrestrial globe [10] on the earth's axis [9].

2. flying disc type loxocosm according to claim 1, it is characterized in that: be arranged with axle sleeve [11] on the described central shaft [2], rotating disk [3] is fixed on the axle sleeve [11], axle sleeve [11] is connected and fixed with the follower gear [12] that is enclosed within on the central shaft [2] equally, be fixed with motor [13] on the rotating disk [3], be fixed with driving gear [14] on the output shaft of motor [13], driving gear [14] rotates rotating disk [3] with follower gear [12] engagement.

3. flying disc type loxocosm according to claim 1, it is characterized in that: described rotating disk [3] is gone up by nut [15] assembly and has been fastened rack sleeve [16], support shaft [8] just is plugged in the rack sleeve [16], the lower end of support shaft [8] is fixed with follower gear [17], the upper end is fixing with globe bracket [6], also be fixed with synchronous motor [18] on the rotating disk [3], be fixed with driving gear [19] on the output shaft of synchronous motor [18], driving gear [19] and follower gear [17] engagement, when rotating disk [3] is rotated, globe bracket [6] and earth's axis [9] remain original direction under the effect of synchronous motor [18] constant, be fixed with transmission gear [20] respectively on the lower end of earth's axis [9] and the rack sleeve [16] simultaneously, be engaged with linkage gear [21] between two transmission gears [20], when rotating disk [3] rotated, relatively rotating between rack sleeve [16] and the earth's axis [9] made terrestrial globe [10] produce rotation.

4. according to claim 1 or 3 described flying disc type loxocosms, it is characterized in that: described curtain of night cover stent [5] is fastened on the rack sleeve [16], and is fixed with horizontal on the earth curtain of night cover [7] and is enclosed within the peripheral moment dish [22] of terrestrial globe [10].

5. flying disc type loxocosm according to claim 1 is characterized in that: described central shaft [2] is gone up the sheathed panel in season [23] that is fixed with, and is fixed with the indicator stem [24] that points to panel in season [22] on the rotating disk [3].

6. flying disc type loxocosm according to claim 1 or 5, it is characterized in that: the periphery of the revolution track of described support shaft [8] is provided with cast panel [25], and the outer of cast panel [25] is fixed on the base [1].

7. flying disc type loxocosm according to claim 1 is characterized in that: the outer of described base [1] is covered with semisphere translucent cover [26].